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ONDE SONORE DIRECTE [1 record]
Record 1 - internal organization data 2012-04-12
Record 1, English
Record 1, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
- Audio Technology
Record 1, Main entry term, English
- direct wave
1, record 1, English, direct%20wave
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A wave that is propagated directly through space. 2, record 1, English, - direct%20wave
Record number: 1, Textual support number: 1 CONT
Geometrical acoustics ... Energies of direct and reflected waves are considered to add irrespective of relative phase, a condition applicable to incoherent (i.e., uncorrelated) waves. 3, record 1, English, - direct%20wave
Record 1, French
Record 1, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
- Électroacoustique
Record 1, Main entry term, French
- onde directe
1, record 1, French, onde%20directe
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- onde sonore directe 2, record 1, French, onde%20sonore%20directe
correct, feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Si l'observateur est placé en espace libre, il entend seulement le bruit résultant de l'onde directement émise par la source. S'il est placé sur un sol réfléchissant, à l'onde directe s'ajoute une onde réfléchie dont les effets sonores se composent avec ceux de la première. Pratiquement, ceci déformera le spectre d'émission et se traduira par une augmentation de 0 à 6 dB du niveau global de pression acoustique, selon que le sol est un absorbant parfait ou un bon réflecteur. Si l'observateur est adossé à un mur réfléchissant, le niveau augmentera encore de 0 à 3 dB en pression acoustique. 3, record 1, French, - onde%20directe
Record number: 1, Textual support number: 2 CONT
[...] l'auditeur reçoit, outre l'onde directe, les ondes réfléchies sur les murs, le sol et le plafond, ce qui renforce l'intensité. 4, record 1, French, - onde%20directe
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Acústica (Física)
- Aislamiento y acústica arquitectónicos
- Electroacústica
Record 1, Main entry term, Spanish
- onda directa
1, record 1, Spanish, onda%20directa
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Onda que se propaga rectilíneamente desde la antena transmisora hasta la antena receptora sin recibir reflexión alguna desde otros objetos. 2, record 1, Spanish, - onda%20directa
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